Support for up to 5 lines and both single- and multiple-call-per-line appearance for added flexibility in call management
More intuitive, easier-to-use experience with a high resolution, backlit, graphical widescreen VGA, 800- x 480-pixel display in the Cisco IP Phone portfolio
Increased productivity with easier navigation of menus and call-transaction status using the 5-way navigation cluster and 4 context sensitive soft-label keys
Enhanced tactile feel and reduced errant dialing with rounded ergonomic fixed keys
Fixed keys for commonly used functions including messaging, directory, services, transfer, conference, mute, headset, speakerphone, hold, and release
Replaceable silver bezel option for the black bezel that comes standard with these phones
Support for 802.3af/at PoE to reduce installation and infrastructure costs by eliminating or reducing the need for local power supplies
Gigabit Ethernet-integrated switches on all models to reduce IT administration and cabling costs at the desk while efficiently and effectively processing the traffic from a co-located multimedia PC
Integrated VPN client to help keep conversations private
Support for Cisco Expressway enabling "VPN-less" client connectivity to the network for remote workers
Optional wall-mount kit to deploy in more space-constrained environments